216375417023 has 2 divisors, whose sum is σ = 216375417024. Its totient is φ = 216375417022.

The previous prime is 216375416969. The next prime is 216375417107. The reversal of 216375417023 is 320714573612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216375417023 - 2²² = 216371222719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216375417523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108187708511 + 108187708512.

It is an arithmetic number, because the mean of its divisors is an integer number (108187708512).

Almost surely, 2^216375417023 is an apocalyptic number.

216375417023 is a deficient number, since it is larger than the sum of its proper divisors (1).

216375417023 is an equidigital number, since it uses as much as digits as its factorization.

216375417023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 216375417023 in words is "two hundred sixteen billion, three hundred seventy-five million, four hundred seventeen thousand, twenty-three".